simply kill the pins in besched phase, everything is scheduled anyway, while...

simply kill the pins in besched phase, everything is scheduled anyway, while moving Pins around doesn't work in all situations

[r25289]

ir/be/beirgmod.c

@@ -214,8 +214,11 @@ static void remove_empty_block(ir_node *block)
 			assert(get_Block_MacroBlock(node) == block && "Wrong Block->Block edge");
 			continue;
 		}
+		/* we simply kill Pins, because there are some strange interactions
+		 * between condeval, which produce PhiMs with Pins, we simply kill
+		 * the pins here, everything is scheduled anyway */
 		if (is_Pin(node)) {
-			set_nodes_block(node, succ_block);
+			exchange(node, get_Pin_op(node));
 			continue;
 		}
 		if (is_Sync(node)) {